[TYPO3-shop] Back to list product from single view

[sorn]

Hello All,

I am using tt_products verstion 2.6.4

I had list product on page food, and single view on page single-product

this is link to show the single view:
<!--###LINK_ITEM###-->###PRODUCT_TITLE###<!--###LINK_ITEM###-->
or
http://local.demo/product-list/single-product/?tt_products[backPID]=30&tt_products[product]=7

in single view page i have link back to product list:
<!--###LINK_ITEM###--><Back to the list<!--###LINK_ITEM###-->
or
http://local.demo/product-list/food/?tt_products[product]=7

it not work when i click back to product list.

any idea whit this problem.

Thanks,
Sorn.